fix(es/compat): Handle useDefineForClassFields: false (#7055)

**BREAKING CHANGE:**

IMPORTANT NOTE: Users of decorators are recommended to configure `"useDefineForClassFields": false` to ensure that your code is properly transpiled.


**Related issue:**
 - Closes #6985.

Author: magic-akari

crates/swc/src/builder.rs

@@ -213,6 +213,10 @@ impl<'a, 'b, P: swc_ecma_visit::Fold> PassBuilder<'a, 'b, P> {
             feature_flag = enable_available_feature_from_es_version(self.target);
 
             Either::Right(chain!(
+                Optional::new(
+                    compat::class_fields_use_set::class_fields_use_set(assumptions.pure_getters),
+                    assumptions.set_public_class_fields,
+                ),
                 Optional::new(
                     compat::es2022::es2022(
                         comments,

crates/swc/src/config/mod.rs

@@ -363,10 +363,10 @@ impl Options {
         // variable management system based on the syntax contexts.
         if syntax.typescript() {
             assumptions.set_class_methods = !transform.use_define_for_class_fields.into_bool();
-            assumptions.set_public_class_fields =
-                !transform.use_define_for_class_fields.into_bool();
         }
 
+        assumptions.set_public_class_fields = !transform.use_define_for_class_fields.into_bool();
+
         program.visit_mut_with(&mut resolver(
             unresolved_mark,
             top_level_mark,
@@ -669,7 +669,6 @@ impl Options {
                                 .into_bool(),
                             ts_enum_is_readonly: assumptions.ts_enum_is_readonly,
                         },
-                        use_define_for_class_fields: !assumptions.set_public_class_fields,
                         import_export_assign_config,
                         ..Default::default()
                     },
@@ -1478,7 +1477,7 @@ pub struct TransformConfig {
     pub treat_const_enum_as_enum: BoolConfig<false>,
 
     #[serde(default)]
-    pub use_define_for_class_fields: BoolConfig<false>,
+    pub use_define_for_class_fields: BoolConfig<true>,
 }
 
 #[derive(Debug, Default, Clone, Serialize, Deserialize, Merge)]